Appalling pollution in Oregon at present cause by the wildfires. Oregon's Governor warned yesterday that it's the worst in the world.
https://www.windy.com/-PM2-5-pm2p5?cams,pm2p5,45.213,-110.435,4
The fierce east winds have stopped and though there is a forecast change to the more usual westerlies, it is only slow - indeed days away. So the air is almost static and the authorities mentioned an inversion trapping the poliution over the fire ravaged areas. The scale of all tis damage is incredible.